PHP實現微信分享朋友圈
1、先加載微信自帶的接口代碼
<?php
class JSSDK {
private $appId;
private $appSecret;
public function __construct($appId, $appSecret) {
$this->appId = $appId;
$this->appSecret = $appSecret;
}
public function getSignPackage() {
$jsapiTicket = $this->getJsApiTicket();
// 注意 URL 一定要動態獲取,不能 hardcode.
$protocol = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' || $_SERVER['SERVER_PORT'] == 443) ? "https://" : "http://";
$url = "$protocol$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
$timestamp = time();
$nonceStr = $this->createNonceStr();
// 這裏參數的順序要按照 key 值 ASCII 碼升序排序
$string = "jsapi_ticket=$jsapiTicket&noncestr=$nonceStr×tamp=$timestamp&url=$url";
$signature = sha1($string);
$signPackage = array(
"appId" => $this->appId,
"nonceStr" => $nonceStr,
"timestamp" => $timestamp,
"url" => $url,
"signature" => $signature,
"rawString" => $string
);
return $signPackage;
}
private function createNonceStr($length = 16) {
$chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
$str = "";
for ($i = 0; $i < $length; $i++) {
$str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
}
return $str;
}
private function getJsApiTicket() {
// jsapi_ticket 應該全局存儲與更新,以下代碼以寫入到文件中做示例
$data = json_decode($this->get_php_file("jsapi_ticket.php"));
if ($data->expire_time < time()) {
$accessToken = $this->getAccessToken();
// 如果是企業號用以下 URL 獲取 ticket
// $url = "https://qyapi.weixin.qq.com/cgi-bin/get_jsapi_ticket?access_token=$accessToken";
$url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?type=jsapi&access_token=$accessToken";
$res = json_decode($this->httpGet($url));
$ticket = $res->ticket;
if ($ticket) {
$data->expire_time = time() + 7000;
$data->jsapi_ticket = $ticket;
$this->set_php_file("jsapi_ticket.php", json_encode($data));
}
} else {
$ticket = $data->jsapi_ticket;
}
return $ticket;
}
private function getAccessToken() {
// access_token 應該全局存儲與更新,以下代碼以寫入到文件中做示例
$data = json_decode($this->get_php_file("access_token.php"));
if ($data->expire_time < time()) {
// 如果是企業號用以下URL獲取access_token
// $url = "https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid=$this->appId&corpsecret=$this->appSecret";
$url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=$this->appId&secret=$this->appSecret";
$res = json_decode($this->httpGet($url));
$access_token = $res->access_token;
if ($access_token) {
$data->expire_time = time() + 7000;
$data->access_token = $access_token;
$this->set_php_file("access_token.php", json_encode($data));
}
} else {
$access_token = $data->access_token;
}
return $access_token;
}
private function httpGet($url) {
$curl = curl_init();
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_TIMEOUT, 500);
// 爲保證第三方服務器與微信服務器之間數據傳輸的安全性,所有微信接口採用https方式調用,必須使用下面2行代碼打開ssl安全校驗。
// 如果在部署過程中代碼在此處驗證失敗,請到 http://curl.haxx.se/ca/cacert.pem 下載新的證書判別文件。
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, true);
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, true);
curl_setopt($curl, CURLOPT_URL, $url);
$res = curl_exec($curl);
curl_close($curl);
return $res;
}
private function get_php_file($filename) {
return trim(substr(file_get_contents($filename), 15));
}
private function set_php_file($filename, $content) {
$fp = fopen($filename, "w");
fwrite($fp, "<?php exit();?>" . $content);
fclose($fp);
}
}
複製代碼
2、修改自己的配製信息用微信瀏覽器打開就可以了
<?php
require_once "jssdk.php";
$appid = 'wx110';
$APPSECRET = '110';
$jssdk = new JSSDK($appid, $APPSECRET);
$signPackage = $jssdk->GetSignPackage();
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>js微信自定義分享標題、鏈接和圖標</title>
<meta name="keywords" content="js微信分享,php微信分享" />
<meta name="description" content="PHP自定義微信分享內容,包括標題、圖標、鏈接等,分享成功和取消有js回調函數。" />
</head>
<body>
</body>
<script src="http://res.wx.qq.com/open/js/jweixin-1.0.0.js"></script>
<script>
/*
* 注意:
* 1. 所有的JS接口只能在公衆號綁定的域名下調用,公衆號開發者需要先登錄微信公衆平臺進入“公衆號設置”的“功能設置”裏填寫“JS接口安全域名”。
* 2. 如果發現在 Android 不能分享自定義內容,請到官網下載最新的包覆蓋安裝,Android 自定義分享接口需升級至 6.0.2.58 版本及以上。
* 3. 常見問題及完整 JS-SDK 文檔地址:http://mp.weixin.qq.com/wiki/7/aaa137b55fb2e0456bf8dd9148dd613f.html
*
* 開發中遇到問題詳見文檔“附錄5-常見錯誤及解決辦法”解決,如仍未能解決可通過以下渠道反饋:
* 郵箱地址:[email protected]
* 郵件主題:【微信JS-SDK反饋】具體問題
* 郵件內容說明:用簡明的語言描述問題所在,並交代清楚遇到該問題的場景,可附上截屏圖片,微信團隊會盡快處理你的反饋。
*/
wx.config({
debug: false,
appId: '<?php echo $appid; ?>',
timestamp: <?php echo $signPackage["timestamp"]; ?>,
nonceStr: '<?php echo $signPackage["nonceStr"]; ?>',
signature: '<?php echo $signPackage["signature"]; ?>',
jsApiList: [
'onMenuShareTimeline'
]
});
wx.ready(function() {
wx.onMenuShareTimeline({
title: '二當家的', // 分享標題
link: 'http://www.erdangjiade.com/', // 分享鏈接
imgUrl: '', // 分享圖標
success: function() {
// 用戶確認分享後執行的回調函數
},
cancel: function() {
// 用戶取消分享後執行的回調函數
}
});
});
</script>
<p style="text-align: center;color:red;font-size:20px;margin-top: 120px">請用微信瀏覽器打開,並打開右上方按鈕。分享到朋友圈試試。</p>